A 28-centimetre fragment of fossilised jawbone—first unearthed on the Welsh coast in 1899—has now been formally recognised as ...

New reconstructions of 540 million years of climate history show the planet tumbling between icehouse and hothouse states, revealing how rare and vulnerable our temperate moment is.

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...

Earth’s history is marked by catastrophic events that have wiped out the majority of species living at different times. These mass extinctions—defined as events that eliminate over 75% of species in a ...

We may not be living through Earth’s sixth mass extinction event ­­— at least not yet. That’s the conclusion of a new analysis of plant and animal extinctions published September 4 in PLOS Biology.

A fire-bellied newt (Cynops ensicauda) on Amami Island in Japan. Previously thought to be extinct, the newt and others in its genera are still alive. (John J. Wiens/University of Arizona) (CN) — For ...

Two hundred and fifty one million years ago, the worst mass extinction event Planet Earth has ever seen ruined the life of the Late Permian Period. Known as the Great Dying, this colossal extinction, ...

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More than 250 million years ago, life on Earth faced its most devastating crisis — a global event so severe that it wiped out nearly three-quarters of life on land and an even larger share in the ...